It's just these "overly concerned" people that uses nolva on this forum (nothing against them.. better safe than sorry). I recall Miro is running nanodrol over and over again without using any "illegal" PCT with good results. By the way... Predator doesn't even recommend nolva for various reasons.
http://www.predatornutrition.com/en/cont.....ybuilding/
Hope it helps =]